@import url(https://fonts.googleapis.com/css?family=Nunito:400,700,300);

*{
    /* 变成标准盒子 */
    box-sizing: border-box;
}

body{
    font-family: 'Nunito',sans-serif;
}

.page{
    margin:  0 auto;
    width: 920px;
}

.content{
    width: 33.33%;
    display: inline-block;
    margin: 0 auto;
    /* 相对定位 */
    position: relative;
    /* 百分之百的窗口高度 */
    height: 100vh;
    max-width: 300px;
}

.circle_inner_layer{
    width: 600px;
    height: 200px;
    transition: all 0.4s;
    /* 绝对定位 */
    position: absolute;
    top: 0;
    left: -200px;
}
.circle_inner_layer img{
    width: 100%;
    position: absolute;
    bottom: 0;
}

.circle{
    position: absolute;
    left: 0;
    right: 0;
    margin: auto;
    top: 50%;
    width: 200px;
    transform: translateY(-50%);
    transition: all 0.5s;
    /* 鼠标放上变小手 */
    cursor:pointer;
}

.circle:hover .circle_shine{
    top: 330px;
    left: -200px;
}

.circle_shine {
    background: white;
    width: 600px;
    transition: 0.3s;
    height: 200px;
    opacity: 0.2;
    top: -10px;
    left: -90px;
    transform: rotate(45deg);
    position: absolute;
    z-index: 2;
}

.circle:hover h2 , .circle:hover h3{
    opacity: 1;
    top: -36px;
}
.circle:hover .content_shadow{
    transform: scale(1.1);
    top: -22px;
}

.circle:hover h3{
    transition:  all 0.2s 0.04s;
}

.circle:hover h2{
    transition:  all 0.2s ;
}

.circle .circle_inner_layer:nth-of-type(1){
    top: 0px;
    left: 0px;
}
.circle .circle_inner_layer:nth-of-type(2){
    top: 0px;
    left: -210px;
}
.circle .circle_inner_layer:nth-of-type(3){
    top: 0px;
    left: -440px;
}
.circle_title{
    text-align: center;
}
.circle_title h2,.circle_title h3{
    opacity: 0;
    color: #4a7479;
    margin: 0;
    transition: all 0.2s 0.04s;
    position: relative;
    top: -10px;
}

.circle_title h3{
    transition: all 0.2s;
    color: #b0d5d5;
    font-size: 15px;
}

.circle_inner{
    border-radius: 200px;
    position: relative;
    background-color: #b0d5d5;
    overflow: hidden;
    margin: auto;
    width: 200px;
    z-index: 1;
    transition: all 0.3s;
    height: 200px;

}

.circle_inner:hover{
    transform: scale(1.1);
}

.circle_inner:hover .circle_inner_layer:nth-of-type(1) {
    left: -80px;
    transition: all 4s linear;
}
.circle_inner:hover .circle_inner_layer:nth-of-type(2) {
    left: -400px;
    transition: all 4s linear;
}
.circle_inner:hover .circle_inner_layer:nth-of-type(3) {
    left: -140px;
    transition: all 4s linear;
}

.content_shadow{
    width: 200px;
    box-shadow: 0px 31px 19px -2px #e0e8f9;
    height: 20px;
    border-radius: 70%;
    position: relative;
    top: -44px;
    transition: all 0.3s;
    z-index: 0;
}